*** This bug is a duplicate of bug 1000244 ***
https://bugs.launchpad.net/bugs/1000244
On the Ubuntu Secure Remix iso
Name: ubuntu-secure-remix-12.04.1-64bits.iso
Source: sourceforge.net
Date: 2012-08-31
Size: 735.9 MB
MD5 sum: f331f796d721d533ee887ac590918265
the file /etc/resolv.conf is missing (whereas it is present, as it
should be, on the official Ubuntu 12.04.1 images). That makes it even
more plausible that you installed from the Ubuntu Secure Remix image.
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https://bugs.launchpad.net/bugs/1051348
Title:
No resolving after upgrade from 12.04 to 12.10 beta
Status in “network-manager” package in Ubuntu:
New
Bug description:
I'm assuming (based on the prefix of /var/run/nm-dns-dnsmasq.conf)
that this is a network-manager issue, though I'm not certain.
I recently upgraded to Ubuntu 12.10 Beta 1 from a more-or-less stock
installation of Ubuntu 12.04 (it had only been installed for about 3-4
hours before the upgrade). This means that I am now using network-
manager 0.9.6.0-0ubuntu7. On startup, network-manager connects to my
router without any issues, but I am then unable to resolve any domain
names (beyond localhost); I can't browse to any websites, ping any
servers using their domain names, etc. There were no problems doing
any of this while using 12.04, and I did not do anything other than
perform the upgrade to 12.10 Beta 1 before this happened, so what I
was expecting to happen was that I would continue to be able to use
DNS as usual.
On poking around a bit, I discovered that dnsmasq is running as it
should be (listening on 127.0.1.1) but that the config file that it is
trying to use, /var/run/nm-dns-dnsmasq.conf, is completely empty. This
appears to be the source ofthe problem, as I can fix the issue by
doing the following:
1) Kill the /usr/sbin/dnsmasq process that is automatically started (by
network-manager?).
2) Manually create /var/run/nm-dns-dnsmasq.conf and add lines such as the
following (this line identifies an OpenDNS server):
server=208.67.222.222
3) Manually start the /usr/sbin/dnsmasq using exactly the same options
that were passed to it when it was started automatically.
So, I'm guessing this file should be non-empty. (Another workaround,
by the way, is to manually create an /etc/resolv.conf file with
appropriate nameserver lines and then restart the networking service,
but AFAIK that solution simply bypasses dnsmasq entirely.)
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: network-manager 0.9.6.0-0ubuntu7
ProcVersionSignature: Ubuntu 3.5.0-14.19-generic 3.5.3
Uname: Linux 3.5.0-14-generic x86_64
ApportVersion: 2.5.1-0ubuntu7
Architecture: amd64
Date: Sat Sep 15 13:02:05 2012
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120823.1)
IpRoute:
default via 192.168.1.1 dev wlan0 proto static
169.254.0.0/16 dev wlan0 scope link metric 1000
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.21 metric
9
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: Upgraded to quantal on 2012-09-15 (0 days ago)
nmcli-con:
NAME UUID TYPE
TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY
DBUS-PATH
Wired connection 1 500ef8b0-f9cf-48f6-9409-aabea4121a84
802-3-ethernet 1347727737 Sat 15 Sep 2012 12:48:57 PM EDT yes
no /org/freedesktop/NetworkManager/Settings/1
NotThat! 968fa0a6-be87-47bb-b306-daf2188393e9
802-11-wireless 1347728337 Sat 15 Sep 2012 12:58:57 PM EDT yes
no /org/freedesktop/NetworkManager/Settings/0
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
eth0 802-3-ethernet unavailable
/org/freedesktop/NetworkManager/Devices/1
wlan0 802-11-wireless connected
/org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE
WIFI WWAN-HARDWARE WWAN
running 0.9.6.0 connected enabled enabled
enabled enabled disabled
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